Psi4 Aurigae
- For other star systems with this Bayer designation, see Psi Aurigae.
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Auriga |
| Right ascension | 06h 43m 04.97107s[1] |
| Declination | +44° 31′ 28.0220″[1] |
| Apparent magnitude (V) | +5.02[2] |
| Distance | 324 ± 11 ly (99 ± 3[1] pc) |
| Spectral type | K5 III[3] |
| Other designations | |
Psi4 Aurigae (ψ4 Aur, ψ4 Aurigae) is the Bayer designation for a star in the northern constellation of Auriga. It is a faint star but visible to the naked eye with an apparent visual magnitude of +5.02.[2] With an annual parallax shift of 10.08 ± 0.33 mas,[1] it is approximately 324 light-years (99 parsecs) distant from Earth. This is a K-type giant star with a stellar classification of K5 III.[3]
References
- 1 2 3 4 van Leeuwen, Floor (November 2007), "Validation of the new Hipparcos reduction", Astronomy and Astrophysics 474 (2): 653–664, arXiv:0708.1752v1, Bibcode:2007A&A...474..653V, doi:10.1051/0004-6361:20078357. Note: see VizieR catalogue I/311.
- 1 2 Johnson, H. L.; et al. (1966), "UBVRIJKL photometry of the bright stars", Communications of the Lunar and Planetary Laboratory 4 (99), Bibcode:1966CoLPL...4...99J
- 1 2 Roman, Nancy G. (July 1952), "The Spectra of the Bright Stars of Types F5-K5", Astrophysical Journal 116: 122, Bibcode:1952ApJ...116..122R, doi:10.1086/145598.
- ↑ "50 Aur -- Star in double system", SIMBAD Astronomical Database (Centre de Données astronomiques de Strasbourg), retrieved 2012-08-24.
External links
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